@DrRac27 @TronNerd82 As long as you always allow your router to let its network commitments expire on shutdown rather than terminating connections with a hard shutdown it is fine. It terms of how routers participate in the network database, https://geti2p.net/en/docs/how/network-database explains how data and entries are handled and distribution methodology.
i2p.netThe Network Database | Docs | ENUnderstanding I2P's distributed network database (netDb) - a specialized DHT for router contact information and destination lookups